Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/core/SkLocalMatrixShader.cpp

Index: src/core/SkLocalMatrixShader.cpp
diff --git a/src/core/SkLocalMatrixShader.cpp b/src/core/SkLocalMatrixShader.cpp
index 544ad2fe4c1e935150bc6cc766b706d852d66d6d..62d5e36d895e52e9e2726efe6a7e8793633b70cb 100644
--- a/src/core/SkLocalMatrixShader.cpp
+++ b/src/core/SkLocalMatrixShader.cpp
@@ -6,6 +6,15 @@
  */
 
 #include "SkLocalMatrixShader.h"
+
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkLocalMatrixShader::SkLocalMatrixShader(SkReadBuffer& buffer) : INHERITED(buffer) {
+    fProxyShader.reset(buffer.readShader());
+    if (NULL == fProxyShader.get()) {
+        sk_throw();
+    }
+}
+#endif
 
 SkFlattenable* SkLocalMatrixShader::CreateProc(SkReadBuffer& buffer) {
     SkMatrix lm;